diff --git a/Cargo.lock b/Cargo.lock
index a727fbd..eb54909 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1420,9 +1420,9 @@ checksum = "6ac9a59f73473f1b8d852421e59e64809f025994837ef743615c6d0c5b305160"
 
 [[package]]
 name = "portable-atomic"
-version = "0.3.17"
+version = "0.3.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ef946e2f765276038550e74abfbda40c84d73278417c071e0f19f8af6ba100b"
+checksum = "81bdd679d533107e090c2704a35982fc06302e30898e63ffa26a81155c012e92"
 
 [[package]]
 name = "ppv-lite86"